データベース
EBSCOhost Ebook Collection
185
Proquest Ebook Central Academic Complete
55
Academic Video Online
18
Books at JSTOR
4
Adam Matthew Digital Collections
2
Early English Books Online
2
Kanopy
2
Naxos Music Library
2
SAGE Journals
2
BioOne Complete
1
DOAJ: Directory of Open Access Journals
1
Music Online: Smithsonian Global Sound
1
PubMed Central (PMC) Open Access
1
Springer Complete eBooks
1